We recently installed a stainless steel chimney cap on the chimney at the Blacksmith Shed. We would have preferred to have a custom copper conestoga-style cap made but it was cost prohibitive. We painted this one back prior to installation. The install provided nice views given all the greenery present this time of year; much different that when we started the project 5 or so months ago.
Top of the cap.
View looking up.
Should do the trick for keeping critters and out and controling sparks.